成语名称：来而不往非礼也：It is impolite not to reciprocate.（Courtesy on one side only lasts not long.）英语： It is impolite not to reci...
成语名称：来来往往：come and go（back and forth）英语： come and go（back and forth）成语近义： 来来去去(lái lái qù qù)：来和去。指往来不断的样子。沓来踵至 下不来台 后来居...
小美情感网
